There's no scientific metric for measuring a city's personality. But hit the streets, and you can see and feel it. Sxip Shirey avoided New York City most of his life. But as an aspiring musician, he decided that moving there was a necessary evil. Then, one night on a ...
One tidy mathematical formula may hold the key to how cities work. This hour, Radiolab takes to the streets to test the numbers...and ask what really makes cities tick.